package zh.codegym.task.task04.task0427;

/* 
描述数字
*/

import java.io.*;
import java.util.Scanner;

public class Solution {
    public static void main(String[] args) throws Exception {
        //在此编写你的代码
        Scanner scanner = new Scanner(System.in);
        int number = scanner.nextInt();

        if (number < 1000 && number > 0) {
            if (number < 10) {
                if (number % 2 == 0) {
                    System.out.println("一位偶数");
                } else {
                    System.out.println("一位奇数");
                }
                return;
            }
            if (number < 100) {
                if (number % 2 == 0) {
                    System.out.println("两位偶数");
                } else {
                    System.out.println("两位奇数");
                }
                return;
            }

            if (number % 2 == 0) {
                System.out.println("三位偶数");
            } else {
                System.out.println("三位奇数");
            }

        }
    }
}
